Cities/towns in Clayton, Iowa

• Ceres (1 historic property)
• Clayton (1 historic property)
• Elkader (11 historic properties)
• Garnavillo (5 historic properties)
• Guttenberg (19 historic properties)
• Littleport (1 historic property)
• Luana (1 historic property)

• McGregor (7 historic properties)
• Mederville (1 historic property)
• Millville (2 historic properties)
• Osterdock (1 historic property)
• St. Olaf (1 historic property)
• Strawberry Point (1 historic property)